EP1195461B1 - Activation method of textile products and apparatus thereof - Google Patents

Activation method of textile products and apparatus thereof Download PDF

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Publication number
EP1195461B1
EP1195461B1 EP01307177A EP01307177A EP1195461B1 EP 1195461 B1 EP1195461 B1 EP 1195461B1 EP 01307177 A EP01307177 A EP 01307177A EP 01307177 A EP01307177 A EP 01307177A EP 1195461 B1 EP1195461 B1 EP 1195461B1
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EP
European Patent Office
Prior art keywords
textile product
air
ionised
ionized
gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP01307177A
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German (de)
English (en)
French (fr)
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EP1195461A1 (en
Inventor
Iwata Takuzo
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Individual
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Priority to DK01307177T priority Critical patent/DK1195461T3/da
Publication of EP1195461A1 publication Critical patent/EP1195461A1/en
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
    • D06M10/02—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements ultrasonic or sonic; Corona discharge
    • D06M10/025—Corona discharge or low temperature plasma
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00

Definitions

  • the present invention relates to an activation method of textile products and an apparatus thereof. Particularly, the present invention relates to the activation method by applying magnetic field to accelerate activation of textile products and the apparatus thereof.
  • the ionized air atmosphere and natural air atmosphere are alternately fed and the textile products are activated under such atmosphere.
  • the ionised air cannot sufficiently breakthrough the textile products to be processed.
  • said thicker textile products are required to be irradiated with the ionised air by repeatedly as turning inside out.
  • WO-A-9958756 discloses an invention relating to plasma treated components and substrates together with equipment and techniques useful in treating the same in an efficient and accurate manner.
  • Japan unexamined patent publication 61-124676 discloses a method and an apparatus relating to the activation of materials such as down and fibre by ionised air diluted with natural air for controlling of the oxidation in a processing chamber.
  • Japan unexamined patent publication 06-080807 discloses a method for performing surface treatment of web-like materials such as plastic film, a plastic sheet and cloth sheet efficiently using glow discharge plasma in a vacuum chamber.
  • the present invention has been made with the foregoing background in mind.
  • the object of the present invention is to activate the whole parts of the textile products effectively at a time by increasing the degree of penetration of the ionised air into said textile products.
  • a method for the activation of a textile product comprising placing the textile product within a magnetic field and irradiating the textile product with an ionised gas, characterised in that the textile product is placed on a plate, the magnetic field being generated by the plate the whole upper surface of which is made of a magnet.
  • the ionised gas may comprise air.
  • Ozone in the ionised air may be diluted by adding natural air to the ionised air.
  • an apparatus for the activation of a textile product comprising means for generating a magnetic field, and irradiation apparatus to irradiate a textile product with an ionised gas, characterised in that the means for generating the magnetic field is a plate on which the textile product is placed the whole upper surface of which is made of a magnet.
  • the irradiation apparatus may irradiate ionised air, while the apparatus may further comprise air supply means to dilute ozone in the ionised air by adding natural air to the ionised air.
  • the textile product is irradiated with an ionised gas according to the method and apparatus of the present invention.
  • the textile product is irradiated with one of the gases introduced from a group including argon, helium, nitrogen gas, air, etc. generated by means of a corona discharge apparatus.
  • the magnetic field can increase the degree of penetration of the ionised gas through the textile product.
  • the magnetic field also can increase amounts of the irradiated ionised gas per unit area of the textile product to be processed.
  • the textile product is activated both surface and reverse sides. Moreover, whole parts inside of said textile product are also fully activated.
  • the magnetic field increases the degree of penetration of the ionized gas breaking through the textile product and concurrently the magnetic field increases amounts of the ionized gas to breakthrough the textile product per unit area.
  • said textile product is activated both surface and reverse sides. Further, whole parts inside said textile product are also fully activated.
  • FIG. 1 is a perspective view indicating an activation apparatus 1 of the textile product according to the present invention.
  • FIG. 2 is a cross-sectional view indicating an activation apparatus taken along the II-II line of FIG.1 according to the present invention.
  • FIG. 3 is a longitudinal side view indicating the activation apparatus taken along the III-III line of FIG. 1 according to the present invention.
  • a corona discharge apparatus is provided as a means of generating an ionized gas.
  • the corona discharge apparatus 4 is placed above a plate 3 on which the textile product 2 to be treated according to the present invention is placed.
  • the corona discharge apparatus 4 irradiates an ionized gas E.
  • the ionized gas E activates the textile product 2.
  • the corona discharge apparatus 4 comprises a corona discharge part 4a and a compressor 4b (indicated as reference letter P 1 in FIG.1).
  • the compressor 4b supplies one of the ionized gases introduced from a group including argon, helium, nitrogen, natural air, etc. to the corona discharge part 4a.
  • the corona discharge part 4a comprises a cylindrical element 4c with a predetermined length and a plurality of electrodes 4d, 4d, ... provided on the internal surface of the cylindrical element 4c. Said plurality of electrodes 4d, 4d, ... are electrically communicated with a common electrode 4g. There is provided a slit aperture 4e at opposite side of attachment of electrodes 4d, 4d, ... to the common electrode 4g. The slit aperture 4e irradiates the ionised gas E.
  • the length of said cylindrical element 4c in longitudinal direction corresponds to the maximum width of said plate 3 and said slit aperture 4e is formed through said cylindrical element 4c from one end to the other.
  • the voltage supplied between said electrodes 4d, 4d, ... and inner surface of said cylindrical element 4c is preferably to be a degree of voltage just before generating arc, e.g., 10,000 V.
  • an inactive gas such as argon, helium, nitrogen gas
  • a gas storage tank or cylinder may also be directly communicated to said cylindrical element 4c.
  • the corona discharge apparatus 4 When the corona discharge apparatus 4 is actuated to generate corona discharge between said cylindrical element 4c and electrodes 4d, 4d, ..., the gas (argon, helium, nitrogen gas, air, etc.) supplied to said cylindrical element 4c is polarised and ionised, and the ionised gas E is irradiated to the plate 3 through the slit aperture 4e by means of discharge energy of corona discharge apparatus 4.
  • the gas argon, helium, nitrogen gas, air, etc.
  • the plate 3 is composed of magnet, at least the whole surface of the upper part of said plate 3 on which the textile product 2 is placed being made of magnet (permanent magnet or electromagnet).
  • the magnetic flux induces the ionized gas E toward the plate 3 to shut said ionized gas E into the magnetic field. Concurrently, the magnetic field increases penetration ability of said ionized gas through the textile product 2.
  • Eair natural air
  • Na natural air
  • An air injector 5a of the air supply apparatus 5 is provided obliquely downward to make the natural air Na join to the ionized natural air Eair prior to its reaching the textile product 2.
  • Said air supply apparatus 5, 5 are provided outside said cylindrical element 4c, respectively, and a compressor 6 (indicated as reference letter P 2 in FIG. 1) is communicated to each air supply apparatus 5, 5, respectively, to supply natural air Na.
  • said corona discharge apparatus 4 is provided above the plate 3 and the aperture 4e of said corona discharge part 4a is provided obliquely downward the plate 3. It is recommended to determine the distance between the surface of the plate 3 and the aperture 4e approximately 35 cm.
  • the air supply apparatus 5, 5 are provided at both sides of the cylindrical element 4c of the corona discharge apparatus 4 facing to the upper surface of the plate 3.
  • the corona discharge apparatus 4 is controlled by a control panel (not shown).
  • the discharge volt is set to the voltage just before generating an arc at each electrode 4d.
  • the corona discharge apparatus 4 is actuated as supplying gas to be ionized to the cylindrical element 4c of said corona discharge apparatus 4.
  • An inactive gas such as air, argon, helium, etc. supplied to the cylindrical element 4c is ionized by means of corona discharge at an electrode 4d, 4d, ... and irradiated to the textile product 2 through the aperture 4e by means of discharge energy.
  • the aperture of the air injector 5a of the air supply apparatus 5 is provided obliquely downward so that the air may cross the course of the ionized air Eair. Natural air supplied from the aperture of the air injector 5a dilutes the ozone existing in the Eair and decreases amount of the ozone per unit area before it reaches the textile product 2.
  • the ionized gas E reaches back of the textile product 2 passing through said textile product by being inducted to the magnetic field formed by the plate 3 comprising the magnet.
  • the textile product 2 is fully activated through the whole parts, as well as its surface and back.
  • FIG. 9 indicates variation of physical property of the textile product 2 when Eair is irradiated to said textile product from outside the magnetic field by means of said activation apparatus 1.
  • the variation of the physical property of the textile product 2 prepared by known technique is comparatively indicated.
  • the variation of the physical property of said textile product prepared by known technique is set 1 as standard and the physical property of said textile product according to the present invention is comparatively indicated.
  • said plate 3 is a plate comprising a permanent magnet of approximately 13,000 gauss.
  • the discharge volt from the corona discharge apparatus is 10,000 V.
  • the distance between the aperture part 4e of the cylindrical element 4c and the surface of the plate 3 is 35 cm.
  • textile product 2 cotton handkerchief, cotton towel, camel's hair, plain silk goods and baby's cotton blanket are tested.
  • the items of physical property of the textile product 2 are selected, taking into consideration practical importance such as, water absorbency, feeling by hand, recovering degree after squeezing, creases, fluff, color, clearance of color, etc. Furthermore, orientations of fiber, degree of deterioration of fiber itself, variation of tensile strength, are selected too.
  • First method is to evaluate a speed during which water is fully absorbed into the handkerchief and the towel, said water being dropped from the same level above the handkerchief and the towel (FIG 4).
  • Second method is to evaluate degree of dryness of wet finger dipped into a water vessel and pressed onto said handkerchief and towel (FIG.5).
  • FIG.4 and FIG.5 for testing water absorbency of the textile product prepared according to the present invention indicated excellent results when compared with the water absorbency obtained in examples treated with the ionized air by known technique.
  • the degree of swelling of each yarn composing a single twisted yarn of the textile product 2 prepared according to the present invention is different, namely, the clearance between each yarn is closer than that of each yarn composing a twisted yarn of the testing material prepared by known technique.
  • the degree of swelling of the handkerchief and the towel prepared according to the present invention is larger than the one prepared by known technique.
  • a thicker baby blanket comprising cotton yarns is prepared according to the present invention for evaluating the degree of penetration of the ionized air.
  • the ionized cotton blanket prepared with known technique is swelled only surface on which ionized air Eair was irradiated and it became soft. However, its back face was not swelled but remained hard.
  • the ionization method and ionization apparatus for the textile product by irradiating the Eair from outside the magnetic field to the textile product 2 placed in the magnetic field offers far excellent results when compared with the blanket prepared by known technique.
  • the cotton blanket ionized according to the present invention is not admitted existence of crease.
  • the cotton blanket prepared by known technique was observed a plurality of creases.
  • FIG.8B indicates contrast of color and pattern of the silk goods irradiated with ionized air Eair according to the present invention.
  • FIG.8A indicates contrast and pattern of the silk goods prepared by known technique.
  • Clarity and luster of the surface of the goods prepared according to the present invention was far improved comparing with the products prepared by known technique.
  • the luster of said patterned cotton handkerchief is appeared as if it were just prepared silk product. Hand feeling and skin feeling are almost the same as the silk product just prepared.
  • the ionized air Eair is attracted by the magnetic field and forcedly retained inside the textile product. Large amounts of the ionized air Eair are forced to breakthrough the textile product. Accordingly, the detail inside the textile product that has not been observed so far could be observed. Accordingly, it is presumed that even inside the textile products, as well as surface, were improved.
  • the hair irradiated with the ionized air Eair prepared according to the present invention indicated as it were golden luster after irradiation, though it was a dark brown before irradiation.
  • FIG.7 indicates a fiber or thread irradiated with the ionized air Eair according to the present invention and by known technique, respectively, for comparing purposes. It was possible to break a fiber or yarn prepared by known technique with weak strength. On the contrary, the fiber or thread prepared according to the present invention could not be broken even with larger strength.
  • said textile product prepared by known technique must be irradiated with the ionized air Eair as much as five times its surface and back, without saying kinds of the textile products.
  • the plate 3 is designated as the means to generate the magnetic field, but it is of course recommended to provide a magnet to accelerate irradiation of the ionized gas E(Eair). In this case it becomes possible to expect the same improvement as discharge energy.
  • feather or floss should be supplied from the direction to easily fly and distributed.
  • the electrode to activate the material by means of corona discharge should be placed outside the stirring center of the stirring vessel.
  • the supplying aperture of the ionized gas should be placed against each electrode to supply the ionized gas to be ionized.
  • the magnet to accelerate activation should be placed at tip end of the irradiation axis.
  • natural air is supplied in order to dilute ozone as aforementioned.
  • Supply direction of the natural air is selected to meet the ionized air with natural air together.
  • the activation method and apparatus thereof according to the present invention is applied for activating the textile product 2 comprising natural fibre, synthetic fibre and filament, blended natural fibre and synthetic fibre, knitted product comprising natural yarn and synthetic yarn, and compound of these fibres and yarns and further the textile product 2 including down, feather, floss, etc.
  • corona discharge apparatus 4 is applied as an example.
  • Corona discharge irradiates ionised gas E. (It also irradiates ionised air Eair). It is also possible to apply ionised gas E generated by means of plasma discharge from outside the magnetic field to the textile product 2.
  • distance between the aperture 4e and the plate is preferably selected in the scope of 20 - 35cm which is possible to irradiate all the ionised gas E generated for discharge to the textile product 2.
  • the magnetic power to accelerate the activation is set to approximately 13,000 gauss. If a magnet over 13,000 gauss is required for more activation, an electric magnet is applied in accordance with necessary magnetic power.
  • a slit like aperture 4e is disclosed as an example for irradiation of the ionised gas E(Eair), it is also recommended to irradiate the ionised gas E(Eair) through a plurality of apertures located opposite position toward the electrodes 4d, 4d, ..., respectively.
  • the present invention offers the following effects.
  • Claim 1 and claim 4 offer a method to activate the textile product placed in the magnetic field and the ionised gas is irradiated from outside the magnetic field toward inside the magnetic field.
  • the magnetic field attracts the ionised gas and shut the ionised gas inside the magnetic field. For this reason, one irradiation can activate the textile product from surface to back, even if it is thick material. It is also possible to increase amounts of irradiation of the ionised gas per unit area. One irradiation can activate whole parts of the textile product evenly at a time.
  • the present invention offers excellent effects.
  • Claim 2 and claim 5 offer a method and apparatus for discharging ionised gas to activate the textile product at a low price.
  • Claim 3 and claim 6 offer a method and apparatus to dilute ozone existing in ionised gas by supplying natural air to the ionised gas. Deterioration of the textile product by ozone is prevented.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
EP01307177A 2000-10-04 2001-08-23 Activation method of textile products and apparatus thereof Expired - Lifetime EP1195461B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK01307177T DK1195461T3 (da) 2001-08-23 2001-08-23 Activation method of textile products and apparatus thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000305341 2000-10-04
JP2000305341A JP3486870B2 (ja) 2000-10-04 2000-10-04 繊維物質の活性化方法及びその装置

Publications (2)

Publication Number Publication Date
EP1195461A1 EP1195461A1 (en) 2002-04-10
EP1195461B1 true EP1195461B1 (en) 2004-07-21

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EP01307177A Expired - Lifetime EP1195461B1 (en) 2000-10-04 2001-08-23 Activation method of textile products and apparatus thereof

Country Status (6)

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US (1) US6374511B1 (zh)
EP (1) EP1195461B1 (zh)
JP (1) JP3486870B2 (zh)
KR (1) KR100417189B1 (zh)
DE (1) DE60104379T2 (zh)
HK (1) HK1045545B (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1480499A4 (en) * 2002-09-13 2008-06-04 Pearl Kogyo Co Ltd PROCESS FOR TREATING PLASMA SURFACE AND APPARATUS THEREFOR
JP3508110B1 (ja) * 2003-04-25 2004-03-22 卓三 岩田 イオン化可能物質の活性化装置
JP2005166458A (ja) * 2003-12-03 2005-06-23 Fujisawa Pharmaceut Co Ltd プラズマ表面処理方法及びその装置
DE102004041374B4 (de) * 2004-08-25 2014-05-15 Staedtler + Uhl Kg Nadelstreifenanordnung
US7866145B1 (en) 2007-05-03 2011-01-11 Lercher Douglas E Particulate emission reducing device
US20100056413A1 (en) * 2008-09-04 2010-03-04 Harry Jr David Ray high-temperature cleaning system, associated substrates, and associated methods
US7984567B2 (en) * 2008-10-07 2011-07-26 Christ Bill Bertakis Apparatus for cleaning simulated hair articles
CA2893516A1 (en) * 2015-06-08 2016-12-08 Andrew C. Pothier Colour changing articles

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
JPS53139815A (en) * 1977-05-09 1978-12-06 Iwata Co Ltd Method of and device for removing adhered impurities of feather
JPS61124676A (ja) * 1984-11-21 1986-06-12 株式会社　イワタ 羽毛、繊維等の活性化装置
JPS61231257A (ja) * 1985-04-04 1986-10-15 株式会社　イワタ 羽毛，繊維質物の活性化方法
US4772788A (en) * 1985-12-25 1988-09-20 Nippon Paint Co., Ltd. Corona discharge treating system
CA2018829C (en) * 1989-06-19 1996-06-11 Jun Saito Process for producing a high-stiffness polypropylene and a highly stereoregular polypropylene
ES2099407T3 (es) * 1992-03-03 1997-05-16 Ciba Geigy Ag Procedimiento para la obtencion de efectos de varios colores o de claro-oscuro.
US5344462A (en) * 1992-04-06 1994-09-06 Plasma Plus Gas plasma treatment for modification of surface wetting properties
JPH0680807A (ja) * 1992-09-04 1994-03-22 Showa Denko Kk ウエブの連続表面処理方法
US5403453A (en) * 1993-05-28 1995-04-04 The University Of Tennessee Research Corporation Method and apparatus for glow discharge plasma treatment of polymer materials at atmospheric pressure
GB2279272A (en) * 1993-06-30 1995-01-04 Bayer Ag Process for coating textile fabrics with elastomers
AU3892899A (en) * 1998-05-08 1999-11-29 Asten, Inc. Structures and components thereof having a desired surface characteristic together with methods and apparatuses for producing the same

Also Published As

Publication number Publication date
DE60104379D1 (de) 2004-08-26
JP2002115174A (ja) 2002-04-19
JP3486870B2 (ja) 2004-01-13
KR100417189B1 (ko) 2004-02-05
US6374511B1 (en) 2002-04-23
EP1195461A1 (en) 2002-04-10
HK1045545A1 (en) 2002-11-29
HK1045545B (zh) 2005-07-08
US20020038519A1 (en) 2002-04-04
KR20020027188A (ko) 2002-04-13
DE60104379T2 (de) 2005-07-28

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